Improper input validation in Siemens Simatic S7-300 CPU
CVE-2015-2177
Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via crafted packets on (1) TCP port 102 or (2) Profibus.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.338 (98.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.347 · newest: 0.338 · change: -0.009
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert.us-cert.gov/advisories/ICSA-15-064-04
- www.securitytracker.com/id/1032040 (VDB Entry, Third Party Advisory, vdb-entry)
- www.exploit-db.com/exploits/44802/ (exploit)
- www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_s… (Vendor Advisory)
- www.securityfocus.com/bid/72973 (vdb-entry)
- cert-portal.siemens.com/productcert/pdf/ssa-987029.pdf
Frequently asked questions
- What is CVE-2015-2177?
- CVE-2015-2177 is a high-severity vulnerability in Siemens Simatic S7-300 CPU, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2015-03-07.
- How severe is CVE-2015-2177?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-2177 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.